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This implements a NIR pass that groups together constant UBO loads for the same UBO index in order of increasing offset when the distance between them is small enough that it enables the "skip unifa write" optimization. This may increase register pressure because it can move UBO loads earlier, so we also add a compiler strategy fallback to disable the optimization if we need to drop thread count to compile the shader with this optimization enabled. total instructions in shared programs: 13557555 -> 13550300 (-0.05%) instructions in affected programs: 814684 -> 807429 (-0.89%) helped: 4485 HURT: 2377 Instructions are helped. total uniforms in shared programs: 3777243 -> 3760990 (-0.43%) uniforms in affected programs: 112554 -> 96301 (-14.44%) helped: 7226 HURT: 36 Uniforms are helped. total max-temps in shared programs: 2318133 -> 2333761 (0.67%) max-temps in affected programs: 63230 -> 78858 (24.72%) helped: 23 HURT: 3044 Max-temps are HURT. total sfu-stalls in shared programs: 32245 -> 32567 (1.00%) sfu-stalls in affected programs: 389 -> 711 (82.78%) helped: 139 HURT: 451 Inconclusive result. total inst-and-stalls in shared programs: 13589800 -> 13582867 (-0.05%) inst-and-stalls in affected programs: 817738 -> 810805 (-0.85%) helped: 4478 HURT: 2395 Inst-and-stalls are helped. total nops in shared programs: 354365 -> 342202 (-3.43%) nops in affected programs: 31000 -> 18837 (-39.24%) helped: 4405 HURT: 265 Nops are helped. Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10100> |
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`Mesa <https://mesa3d.org>`_ - The 3D Graphics Library ====================================================== Source ------ This repository lives at https://gitlab.freedesktop.org/mesa/mesa. Other repositories are likely forks, and code found there is not supported. Build & install --------------- You can find more information in our documentation (`docs/install.rst <https://mesa3d.org/install.html>`_), but the recommended way is to use Meson (`docs/meson.rst <https://mesa3d.org/meson.html>`_): .. code-block:: sh $ mkdir build $ cd build $ meson .. $ sudo ninja install Support ------- Many Mesa devs hang on IRC; if you're not sure which channel is appropriate, you should ask your question on `Freenode's #dri-devel <irc://chat.freenode.net#dri-devel>`_, someone will redirect you if necessary. Remember that not everyone is in the same timezone as you, so it might take a while before someone qualified sees your question. To figure out who you're talking to, or which nick to ping for your question, check out `Who's Who on IRC <https://dri.freedesktop.org/wiki/WhosWho/>`_. The next best option is to ask your question in an email to the mailing lists: `mesa-dev\@lists.freedesktop.org <https://lists.freedesktop.org/mailman/listinfo/mesa-dev>`_ Bug reports ----------- If you think something isn't working properly, please file a bug report (`docs/bugs.rst <https://mesa3d.org/bugs.html>`_). Contributing ------------ Contributions are welcome, and step-by-step instructions can be found in our documentation (`docs/submittingpatches.rst <https://mesa3d.org/submittingpatches.html>`_). Note that Mesa uses gitlab for patches submission, review and discussions.